public class Main {
   public static void main(String[] args){
      //1.调用Student类中的类方法
      /* TODO */
      Student.printHelloWorld();
      //2.调用Student类中的实例方法
      Student s = new Student(33);
      s.printPass();
      Student s1 = new Student(62);
      s1.printPass();
      new Student(94).printPass();
   }
}